DRNY
Forum Newbie
Topics: 6
Posts: 11
|
I need to know what you guys think is the right answer, b/c i thought I answered it right but it was marked wrong.
A 2-year-old boy presents with repeated viral and fungal infections and tetany. Workup reveals hypocalcemia and a marked impairment of cell-mediated immunity resulting from an absence of T cells. Because of these signs and symptoms, the diagnosis of DiGeorge’s syndrome is made. Considering this diagnosis, the absence of T cells is a direct consequence of failure of which embryonic structure to develop?
A. Third pharyngeal pouch
B. Fourth pharyngeal pouch
C. Fifth pharyngeal pouch
D. Ultimobranchial body
E. Foramen cecum
___________________
bz
|
| rida
Forum Guru
Topics: 109
Posts: 721
|
I posted my answer here.....
http://www.prep4usmle.com/community/topic7165.htm...
___________________
"If He takes you to it, He'll take you through it."
|
|
| |
| | |
